Cohesion is water attracted to water, adhesion is water attracted to other substances. The water droplet forming a bead-like shape (adhesion and cohesion) over a glass table. (surface tension)
None of these is the correct answer.
<span>The cranium of Homo erectus has a pentagonal shape when viewed from behind. The face of H.erectus was large with a low, forehead and a massive brow ridge. </span> <span>Skull was long with sharp angles at the rear, which is different than the skull in modern humans. Bones of the skull were very thick and formed a small central ridge called midline keel.</span>
Answer:
To prove the food stored in leaves is starch "we will use a iodine indicator, if the leaf turn blue-black then it is confirmed that the leaf has starch. "
Explanation:
To prove the stored food in leaves is starch, first we will take a leaf, then we will treat the leaf in hot water followed by alcohol. The leaf will die when comes in contact with hot water and the alcohol will help us in the break down of the chlorophyll. Which will fade the green color. Now, we will put iodine, which we use as an indicator in the leaf, when it turn blue-black, it is confirmed that starch is present in the leaf. Sometimes the leaf will turn reddish brown, which depicts the absence of starch.
Structurally, DNA and RNA are nearly identical. However, there are three fundamental differences that account for the very different functions of the two molecules. RNA has a ribose sugar instead of deoxyribose sugar like DNA.
The head of a phospholipid is "water loving" and is said to be hydrophilic.